APA সাইটেশন

(2007). Cambridge ielts 4: Examination papers from university of Cambridge ESOL examinations: English for speakers of other languages. New York: Cambridge.

শিকাগো স্টাইলে সাইটেশন

Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.

এমএলএ সাইটেশন

Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.